THE CASPIAN SEA 



615 



Gram per /m 2 - 

 ~~ less thdn 1 



from По 25 

 " 25 "WO 

 » 100 » 500 



\» 500 "1000 



v-f s'tig M 



Fig. 288. Distribution of benthos biomass of the Caspian Sea in 

 1935 (Birstein, Briskina and Ryabchikov). 



